1 // Copyright (c) 2020 André Perez Maselco 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SOURCE_FUZZ_TRANSFORMATION_PUSH_ID_THROUGH_VARIABLE_H_ 16 #define SOURCE_FUZZ_TRANSFORMATION_PUSH_ID_THROUGH_VARIABLE_H_ 17 18 #include "source/fuzz/protobufs/spirvfuzz_protobufs.h" 19 #include "source/fuzz/transformation.h" 20 #include "source/fuzz/transformation_context.h" 21 #include "source/opt/ir_context.h" 22 23 namespace spvtools { 24 namespace fuzz { 25 26 class TransformationPushIdThroughVariable : public Transformation { 27 public: 28 explicit TransformationPushIdThroughVariable( 29 protobufs::TransformationPushIdThroughVariable message); 30 31 TransformationPushIdThroughVariable( 32 uint32_t value_id, uint32_t value_synonym_fresh_id, 33 uint32_t variable_fresh_id, uint32_t variable_storage_class, 34 uint32_t initializer_id, 35 const protobufs::InstructionDescriptor& instruction_descriptor); 36 37 // - |message_.value_id| must be an instruction result id that has the same 38 // type as the pointee type of |message_.pointer_id| 39 // - |message_.value_synonym_id| must be fresh 40 // - |message_.variable_id| must be fresh 41 // - |message_.variable_storage_class| must be either StorageClassPrivate or 42 // StorageClassFunction 43 // - |message_.initializer_id| must be a result id of some constant in the 44 // module. Its type must be equal to the pointee type of the variable that 45 // will be created. 46 // - |message_.instruction_descriptor| must identify an instruction 47 // which it is valid to insert the OpStore and OpLoad instructions before it 48 // and must be belongs to a reachable block. 49 bool IsApplicable( 50 opt::IRContext* ir_context, 51 const TransformationContext& transformation_context) const override; 52 53 // Stores |value_id| to |variable_id|, loads |variable_id| to 54 // |value_synonym_id|. Adds the fact that |value_synonym_id| and |value_id| 55 // are synonymous if |value_id| and |value_synonym_id| are not irrelevant. 56 void Apply(opt::IRContext* ir_context, 57 TransformationContext* transformation_context) const override; 58 59 std::unordered_set<uint32_t> GetFreshIds() const override; 60 61 protobufs::Transformation ToMessage() const override; 62 63 private: 64 protobufs::TransformationPushIdThroughVariable message_; 65 }; 66 67 } // namespace fuzz 68 } // namespace spvtools 69 70 #endif // SOURCE_FUZZ_TRANSFORMATION_PUSH_ID_THROUGH_VARIABLE_H_ 71